Definitionn. a protective structure resembling a scale
Last update: June 21, 2015
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Aileron: the scale covering the base of primaries in some insects; see tegulae in Diptera = alula and squama, q. [Please select]
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Calypter: Diptera; the alula or squama when it covers the haltere. [Please select]
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Squama: in Odonata, the sclerite that bears the palpus of both maxilla and labium: the scale-like first abdominal segment of some ants: a scale-like appendage covering the base of primaries in Lepidoptera, and so = patagium; q. [Please select]
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